If any one wants to perform all the 3 functions of nowadays android phones with one soft key ,here's the trick :
Download nova launcher from the store and then you can go back ,home ,and switch apps with the single back key . For those to properly work you should follow the tips :
The bank key will work anywhere , and so will the home after you long press the back key ,but for the app switcher you should be on the main home screen and long press the back key . That's all

nokia X after new update working good. it easy to install new update OS and also you can easily install Whatapp. new update solve many problem. last os system can not easily close open app. now you can easily closed all open application.mobile heating problem also solve. still its slow but in this price this good.

helper, 01 Nov 2014yeah it supports whatsapp but its not in their aap store u can get ur whatsapp msnger from ur ... moreI am take a application where the application storage l am not see or no use.
When the application storage or use

BMW88, 29 Oct 2014Does this phone support whatsapp? Am planning on buying one for my girlfriend..I need to be ab... moreyeah it supports whatsapp but its not in their aap store u can get ur whatsapp msnger from ur buddy or from another who have this and u can install it